Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 46 + 30 by rounding each number to the nearest 10: ______
- Estimate 25 − 89 by rounding each number to the nearest 10: ______
- Estimate 30 + 64 by rounding each number to the nearest 10: ______
- Estimate 50 − 26 by rounding each number to the nearest 10: ______
- Estimate 88 + 43 by rounding each number to the nearest 10: ______
- Estimate 89 − 48 by rounding each number to the nearest 10: ______
- Estimate 75 − 63 by rounding each number to the nearest 10: ______
- Estimate 35 − 66 by rounding each number to the nearest 10: ______
- Estimate 88 − 28 by rounding each number to the nearest 10: ______
- Estimate 84 + 52 by rounding each number to the nearest 10: ______
- Estimate 72 − 79 by rounding each number to the nearest 10: ______
- Estimate 89 + 33 by rounding each number to the nearest 10: ______
- Estimate 35 + 41 by rounding each number to the nearest 10: ______
- Estimate 35 + 26 by rounding each number to the nearest 10: ______
- Estimate 86 + 30 by rounding each number to the nearest 10: ______
- Estimate 36 − 63 by rounding each number to the nearest 10: ______
- Estimate 75 + 62 by rounding each number to the nearest 10: ______
- Estimate 66 − 34 by rounding each number to the nearest 10: ______
- Estimate 56 − 24 by rounding each number to the nearest 10: ______
- Estimate 44 − 77 by rounding each number to the nearest 10: ______